List of practice Questions

Decreasing order of reactivity of hydrogen halide acids in the conversion of $ ROH\to RX $ is

In the conversion of

Colour blindness occurs due to

Chipko movement was first led by

Cereals belong to which of the following families?

cDNA is

Cardiac muscle is found in

If the total amount of adenine and thymine in a double-stranded DNA is $60\%$, the amount of guanine in this DNA will be

A plant species which has been exploited for the production of Hirudin is

If two pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, $75\%$ of the flowers are red and $25\%$ are white. The genotypic constitution of the parents having red coloured flowers will

The variation/difference in the off springs of a species from their parents constitutes an important component of

Which one of the following would not lead to formation of clones?

A population growing in a habitat with limited resources shows four phases of growth in the following sequence.

Necrosis in crops is due to the deficiency of

Presence of bundle sheath is a characteristic of:

Blood cells involved in inflammatory reactions are

In blood group typing in human, if an allele contributed by one parent is $I^{4}$ and an allele contributed by the other parent is $i$ , the resulting blood group of the offspring will be

When there are two haploid nuclei per cell in some fungi before the formation of diploid, this stage is called

Angle between wave velocity and particle velocity of a longitudinal wave is

An observer moves towards a stationary source of sound with a velocity that is one-fifth the velocity of sound. The apparent change in frequency is

The actively moving organisms in aquatic ecosystem is

A plant cell become turgid due to

In $C_{4}$ plants, the bundle sheath cells

ACTH is secreted from

The amount of CSF in the cranial cavity is